CVE-2026-33076 Roxy-WI vulnerable to path traversal and arbitrary file writing

High 8.9 Published Updated

Attackers can exploit path traversal in the haproxy_section_save interface to write arbitrary files, leading to remote code execution.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-33076?

CVE-2026-33076 is a high-severity path traversal vulnerability in roxy-wi, published on 24 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers. Prior to version 8.2.6.4, the haproxy_section_save interface presents a vulnerability that could lead to remote code execution due to path traversal and writing into scheduled tasks. Version 8.2.6.4 fixes the issue.

Weakness: CWE-22

Which versions are affected by CVE-2026-33076?

It affects 1 product.

Products include Roxy-Wi Roxy-Wi.

How do I fix CVE-2026-33076?

No fix has been published for CVE-2026-33076 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-33076 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-33076 exists.

Sources

Also known as GHSA-mmgm-p9x9-h33j.

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